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    <title>清除浮动</title>
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    <h3>清除浮动的本质是什么：</h3>
    <img src="清除浮动的本质.png" alt="">
    <h3>如何清除浮动</h3>
    <img src="清除浮动的方法.png" alt="">
    <h4>清除浮动的策略是：闭合浮动</h4>
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